<template>
    <el-form class="login-content-form" size="large">
        <el-form-item class="login-animation1">
            <el-input v-model="state.ruleForm.username" autocomplete="off" clearable
                      placeholder="用户名 admin 或不输均为 common"
                      text>
                <template #prefix>
                    <el-icon class="el-input__icon">
                        <ele-User/>
                    </el-icon>
                </template>
            </el-input>
        </el-form-item>
        <el-form-item class="login-animation2">
            <el-input v-model="state.ruleForm.password" :type="state.isShowPassword ? 'text' : 'password'"
                      autocomplete="off" placeholder="密码：123456">
                <template #prefix>
                    <el-icon class="el-input__icon">
                        <ele-Unlock/>
                    </el-icon>
                </template>
                <template #suffix>
                    <i
                        :class="state.isShowPassword ? 'icon-yincangmima' : 'icon-xianshimima'"
                        class="iconfont el-input__icon login-content-password"
                        @click="state.isShowPassword = !state.isShowPassword"
                    >
                    </i>
                </template>
            </el-input>
        </el-form-item>
        <el-form-item class="login-animation3">
            <el-col :span="15">
                <el-input v-model="state.ruleForm.code" autocomplete="off" clearable maxlength="4"
                          placeholder="请输入验证码"
                          text>
                    <template #prefix>
                        <el-icon class="el-input__icon">
                            <ele-Position/>
                        </el-icon>
                    </template>
                </el-input>
            </el-col>
            <el-col :span="1"></el-col>
            <el-col :span="8">
                <el-button v-waves class="login-content-code">1234</el-button>
            </el-col>
        </el-form-item>
        <el-form-item class="login-animation4">
            <el-button v-waves :loading="state.loading.signIn" class="login-content-submit" round type="primary"
                       @click="onSignIn">
                <span>登 录</span>
            </el-button>
        </el-form-item>
    </el-form>
</template>

<script lang="ts" name="loginAccount" setup>
import {computed, reactive} from 'vue';
import {useRoute, useRouter} from 'vue-router';
import {ElMessage} from 'element-plus';
import {storeToRefs} from 'pinia';
import {initFrontEndControlRoutes} from '/@/router/frontEnd';
import {formatAxis} from '/@/utils/formatTime';
import {NextLoading} from '/@/utils/loading';
import {loginApi} from "/@/api/login";
import stores from "/@/stores";
import {CacheManager} from "/@/cache";

// 定义变量内容
const {themeConfig} = storeToRefs(stores.themeConfigState);
const route = useRoute();
const router = useRouter();
const state = reactive<LoginState>({
    isShowPassword: false,
    ruleForm: {
        username: 'admin',
        password: '123456',
        code: '1234',
    },
    loading: {
        signIn: false,
    },
});

// 时间获取
const currentTime = computed(() => {
    return formatAxis(new Date());
});

// 登录
const onSignIn = async () => {
    state.loading.signIn = true;
    try {
        const token = await loginApi.login(state.ruleForm);
        // 存储 token 到浏览器缓存
        CacheManager.setToken(token)
        // 前端控制路由，2、请注意执行顺序
        const isNoPower = await initFrontEndControlRoutes();
        signInSuccess(isNoPower);
    } finally {
        state.loading.signIn = false
    }
};
// 登录成功后的跳转
const signInSuccess = (isNoPower: boolean | undefined) => {
    if (isNoPower) {
        ElMessage.warning('抱歉，您没有登录权限');
        CacheManager.clearSession()
    } else {
        // 初始化登录成功时间问候语
        let currentTimeInfo = currentTime.value;
        // 登录成功，跳到转首页
        // 如果是复制粘贴的路径，非首页/登录页，那么登录成功后重定向到对应的路径中
        if (route.query?.redirect) {
            router.push({
                path: <string>route.query?.redirect,
                query: Object.keys(<string>route.query?.params).length > 0 ? JSON.parse(<string>route.query?.params) : '',
            });
        } else {
            router.push('/');
        }
        // 登录成功提示
        const signInText = '欢迎回来！';
        ElMessage.success(`${currentTimeInfo}，${signInText}`);
        // 添加 loading，防止第一次进入界面时出现短暂空白
        NextLoading.start();
    }
    state.loading.signIn = false;
};
</script>

<style lang="scss" scoped>
.login-content-form {
    margin-top: 20px;
    @for $i from 1 through 4 {
        .login-animation#{$i} {
            opacity: 0;
            animation-name: error-num;
            animation-duration: 0.5s;
            animation-fill-mode: forwards;
            animation-delay: calc($i/10) + s;
        }
    }

    .login-content-password {
        display: inline-block;
        width: 20px;
        cursor: pointer;

        &:hover {
            color: #909399;
        }
    }

    .login-content-code {
        width: 100%;
        padding: 0;
        font-weight: bold;
        letter-spacing: 5px;
    }

    .login-content-submit {
        width: 100%;
        letter-spacing: 2px;
        font-weight: 300;
        margin-top: 15px;
    }
}
</style>
